princeton university professor aaron freeberg spoke to nhk in washington. fr freeberg is romney's adviser to romney on asia-pacific policies. he said the obama administration has been weak between japan and china over the senkaku islands >> the best way of maintaining stability and deterring aggression on the part of china is to make absolutely clear the american intention to uphold its treaty commitments. >> friedberg said the u.s. needs to do more to send a signal to the chinese. the adviser also said the obama administration does not pay sufficient attention to its allies. he said romney wants to work to strengthen ties with japan. >> i think he sees japan as america's crucial ally in asia and the central point of our web of relationships with countries in east asia. >> friedberg said the two countries need to cooperate more closely to respond to china's military build up. >>> the communist party of china has come up with a proposal to amend its charter ahead of the party congress that opens on thursday. the gathering is held every five years. china's st